void mcuReboot(void)
{
flushEntireDCache(); //Ensure that all memory transfers have completed and that the data cache has been flushed
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2);
while(1);
}
void launchFirm(FirmwareType firmType, bool loadFromStorage)
{
//Allow module injection and/or inject 3ds_injector on new NATIVE_FIRMs and LGY FIRMs
u32 sectionNum;
if(firmType == NATIVE_FIRM || (loadFromStorage && firmType != SAFE_FIRM && firmType != NATIVE_FIRM1X2X))
{
copySection0AndInjectSystemModules(firmType, loadFromStorage);
sectionNum = 1;
}
else sectionNum = 0;
//Copy FIRM sections to respective memory locations
for(; sectionNum < 4 && firm->section[sectionNum].size != 0; sectionNum++)
memcpy(firm->section[sectionNum].address, (u8 *)firm + firm->section[sectionNum].offset, firm->section[sectionNum].size);
//Determine the ARM11 entry to use
vu32 *arm11;
if(ISFIRMLAUNCH) arm11 = (vu32 *)0x1FFFFFFC;
else
{
deinitScreens();
arm11 = (vu32 *)BRAHMA_ARM11_ENTRY;
}
//Set ARM11 kernel entrypoint
*arm11 = (u32)firm->arm11Entry;
//Ensure that all memory transfers have completed and that the caches have been flushed
flushEntireDCache();
flushEntireICache();
//Final jump to ARM9 kernel
((void (*)())firm->arm9Entry)();
}
void mcuPowerOff(void)
{
if(!isFirmlaunch && ARESCREENSINITIALIZED) clearScreens(false);
//Ensure that all memory transfers have completed and that the data cache has been flushed
flushEntireDCache();
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 0);
while(true);
}
void mcuReboot(void)
{
if(!isFirmlaunch && PDN_GPU_CNT != 1) clearScreens(true, true, false);
//Ensure that all memory transfers have completed and that the data cache has been flushed
flushEntireDCache();
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 1);
while(true);
}
void main(void)
{
if(f_mount(&fs, "0:", 0) == FR_OK)
{
FIL pathFile,
payload;
bool foundPayload = false;
if(f_open(&pathFile, "luma/path.txt", FA_READ) == FR_OK)
{
u32 pathSize = f_size(&pathFile);
if(pathSize > 5 && pathSize < 58)
{
char path[pathSize + 1];
unsigned int read;
f_read(&pathFile, path, pathSize, &read);
if(path[pathSize - 1] == 0xA) pathSize--;
if(path[pathSize - 1] == 0xD) pathSize--;
if(pathSize > 5 && pathSize < 56 && path[0] == '/' && memcmp(&path[pathSize - 4], ".bin", 4) == 0)
{
path[pathSize] = 0;
foundPayload = f_open(&payload, path, FA_READ) == FR_OK;
}
}
f_close(&pathFile);
}
if(!foundPayload) foundPayload = f_open(&payload, "arm9loaderhax.bin", FA_READ) == FR_OK;
if(foundPayload)
{
u32 *loaderAddress = (u32 *)0x24FFFF00;
void *payloadAddress = (void *)0x24F00000;
u32 payloadSize = f_size(&payload);
memcpy(loaderAddress, loader_bin, loader_bin_size);
loaderAddress[1] = payloadSize;
unsigned int read;
f_read(&payload, payloadAddress, payloadSize, &read);
f_close(&payload);
if((u32)read == payloadSize)
{
flushDCacheRange(loaderAddress, loader_bin_size);
flushICacheRange(loaderAddress, loader_bin_size);
((void (*)())loaderAddress)();
}
}
}
//Ensure that all memory transfers have completed and that the data cache has been flushed
flushEntireDCache();
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 0);
while(true);
}
